December weather forecast
Kolonia, Micronesia

Rounding out the year, December brings with it increased humidity and heavier winds than the previous month. Despite the noticeable change in climate conditions, Kolonia remains pleasantly warm, indicating the city's unwavering subtropical profile. An insignificant variation is observed in rainfall, with December recording 212mm (8.35"). Comparatively stronger winds at 25.7 Kph might facilitate certain water sports as temperatures continue to remain favorable. As daylight hours slightly dwindle, Kolonia’s charm persists, rounding off the year on a warm note.

Temperature

Kolonia in December witnesses an average high-temperature of a still moderately hot 28.8°C (83.8°F), indicating a slight variation from November's 29.1°C (84.4°F). Night temperatures during December in Kolonia, Micronesia, experience a slight downturn, averaging a still moderately hot 28.1°C (82.6°F).

Heat index

During December, the heat index is evaluated at a tropical 34°C (93.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Kolonia, Micronesia, in December, it is raining for 27.9 days, with typically 212mm (8.35") of accumulated precipitation. Throughout the year, in Kolonia, Micronesia, there are 313.2 rainfall days, and 2280mm (89.76") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 29.2°C (84.6°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

With an average of 11h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:23 and sunset at 18:08. On the last day of the month, sunrise is at 06:38 and sunset at 18:21 +11.

Sunshine

The average sunshine in December is 7.4h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Attention! The reflection of both water and sand can increase the intensity of UV rays.